Sergey Ignatyev

Sergey Ignatyev may refer to:


 * Sergey Ignatiev (politician) (1902–1984), a Soviet politician
 * Sergey Ignatyev (economist) (born 1948), Russian economist, banker and official
 * Sergey Ignatyev (artist) (born 1958), Uzbek artist and human rights defender
 * Sergei Ignatyev (footballer) (born 1986), Russian footballer
 * Sergei Ignatyev (boxer), Russian boxer who participated in the 2008 Boxing World Cup